275 lines
11 KiB
C
275 lines
11 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include <net/if.h>
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#include <netinet/in.h>
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#include <sys/capability.h>
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#include "alloc-util.h"
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#include "bus-common-errors.h"
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#include "bus-message-util.h"
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#include "bus-polkit.h"
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#include "networkd-link-bus.h"
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#include "networkd-link.h"
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#include "networkd-manager-bus.h"
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#include "networkd-manager.h"
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#include "path-util.h"
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#include "socket-netlink.h"
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#include "strv.h"
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#include "user-util.h"
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static int method_list_links(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
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Manager *manager = userdata;
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Link *link;
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int r;
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r = sd_bus_message_new_method_return(message, &reply);
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if (r < 0)
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return r;
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r = sd_bus_message_open_container(reply, 'a', "(iso)");
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if (r < 0)
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return r;
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HASHMAP_FOREACH(link, manager->links) {
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_cleanup_free_ char *path = NULL;
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path = link_bus_path(link);
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if (!path)
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return -ENOMEM;
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r = sd_bus_message_append(
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reply, "(iso)",
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link->ifindex,
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link->ifname,
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empty_to_root(path));
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if (r < 0)
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return r;
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}
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r = sd_bus_message_close_container(reply);
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if (r < 0)
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return r;
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return sd_bus_send(NULL, reply, NULL);
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}
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static int method_get_link_by_name(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
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_cleanup_free_ char *path = NULL;
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Manager *manager = userdata;
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const char *name;
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int index, r;
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Link *link;
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r = sd_bus_message_read(message, "s", &name);
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if (r < 0)
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return r;
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index = resolve_ifname(&manager->rtnl, name);
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if (index < 0)
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return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %s cannot be resolved", name);
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link = hashmap_get(manager->links, INT_TO_PTR(index));
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if (!link)
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return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %s not known", name);
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r = sd_bus_message_new_method_return(message, &reply);
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if (r < 0)
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return r;
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path = link_bus_path(link);
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if (!path)
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return -ENOMEM;
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r = sd_bus_message_append(reply, "io", link->ifindex, empty_to_root(path));
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if (r < 0)
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return r;
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return sd_bus_send(NULL, reply, NULL);
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}
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static int method_get_link_by_index(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
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_cleanup_free_ char *path = NULL;
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Manager *manager = userdata;
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int ifindex, r;
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Link *link;
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r = bus_message_read_ifindex(message, error, &ifindex);
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if (r < 0)
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return r;
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link = hashmap_get(manager->links, INT_TO_PTR(ifindex));
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if (!link)
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return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %i not known", ifindex);
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r = sd_bus_message_new_method_return(message, &reply);
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if (r < 0)
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return r;
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path = link_bus_path(link);
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if (!path)
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return -ENOMEM;
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r = sd_bus_message_append(reply, "so", link->ifname, empty_to_root(path));
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if (r < 0)
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return r;
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return sd_bus_send(NULL, reply, NULL);
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}
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static int call_link_method(Manager *m, sd_bus_message *message, sd_bus_message_handler_t handler, sd_bus_error *error) {
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int ifindex, r;
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Link *l;
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assert(m);
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assert(message);
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assert(handler);
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r = bus_message_read_ifindex(message, error, &ifindex);
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if (r < 0)
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return r;
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l = hashmap_get(m->links, INT_TO_PTR(ifindex));
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if (!l)
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return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %i not known", ifindex);
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return handler(message, l, error);
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}
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static int bus_method_set_link_ntp_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_set_ntp_servers, error);
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}
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static int bus_method_set_link_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_set_dns_servers, error);
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}
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static int bus_method_set_link_dns_servers_ex(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_set_dns_servers_ex, error);
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}
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static int bus_method_set_link_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_set_domains, error);
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}
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static int bus_method_set_link_default_route(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_set_default_route, error);
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}
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static int bus_method_set_link_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_set_llmnr, error);
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}
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static int bus_method_set_link_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_set_mdns, error);
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}
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static int bus_method_set_link_dns_over_tls(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_set_dns_over_tls, error);
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}
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static int bus_method_set_link_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_set_dnssec, error);
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}
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static int bus_method_set_link_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_set_dnssec_negative_trust_anchors, error);
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}
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static int bus_method_revert_link_ntp(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_revert_ntp, error);
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}
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static int bus_method_revert_link_dns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_revert_dns, error);
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}
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static int bus_method_renew_link(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_renew, error);
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}
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static int bus_method_force_renew_link(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_force_renew, error);
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}
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static int bus_method_reconfigure_link(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return call_link_method(userdata, message, bus_link_method_reconfigure, error);
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}
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static int bus_method_reload(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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Manager *manager = userdata;
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Link *link;
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int r;
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r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
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"org.freedesktop.network1.reload",
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NULL, true, UID_INVALID,
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&manager->polkit_registry, error);
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if (r < 0)
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return r;
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if (r == 0)
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return 1; /* Polkit will call us back */
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r = netdev_load(manager, true);
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if (r < 0)
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return r;
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r = network_reload(manager);
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if (r < 0)
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return r;
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HASHMAP_FOREACH(link, manager->links) {
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r = link_reconfigure(link, false);
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if (r < 0)
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return r;
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}
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return sd_bus_reply_method_return(message, NULL);
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}
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const sd_bus_vtable manager_vtable[] = {
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SD_BUS_VTABLE_START(0),
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SD_BUS_PROPERTY("OperationalState", "s", property_get_operational_state, offsetof(Manager, operational_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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SD_BUS_PROPERTY("CarrierState", "s", property_get_carrier_state, offsetof(Manager, carrier_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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SD_BUS_PROPERTY("AddressState", "s", property_get_address_state, offsetof(Manager, address_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
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SD_BUS_METHOD("ListLinks", NULL, "a(iso)", method_list_links, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("GetLinkByName", "s", "io", method_get_link_by_name, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("GetLinkByIndex", "i", "so", method_get_link_by_index, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("SetLinkNTP", "ias", NULL, bus_method_set_link_ntp_servers, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("SetLinkDNS", "ia(iay)", NULL, bus_method_set_link_dns_servers, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("SetLinkDNSEx", "ia(iayqs)", NULL, bus_method_set_link_dns_servers_ex, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("SetLinkDomains", "ia(sb)", NULL, bus_method_set_link_domains, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("SetLinkDefaultRoute", "ib", NULL, bus_method_set_link_default_route, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("SetLinkLLMNR", "is", NULL, bus_method_set_link_llmnr, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("SetLinkMulticastDNS", "is", NULL, bus_method_set_link_mdns, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("SetLinkDNSOverTLS", "is", NULL, bus_method_set_link_dns_over_tls, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("SetLinkDNSSEC", "is", NULL, bus_method_set_link_dnssec, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("SetLinkDNSSECNegativeTrustAnchors", "ias", NULL, bus_method_set_link_dnssec_negative_trust_anchors, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("RevertLinkNTP", "i", NULL, bus_method_revert_link_ntp, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("RevertLinkDNS", "i", NULL, bus_method_revert_link_dns, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("RenewLink", "i", NULL, bus_method_renew_link, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("ForceRenewLink", "i", NULL, bus_method_force_renew_link, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("ReconfigureLink", "i", NULL, bus_method_reconfigure_link, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_METHOD("Reload", NULL, NULL, bus_method_reload, SD_BUS_VTABLE_UNPRIVILEGED),
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SD_BUS_VTABLE_END
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};
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int manager_send_changed_strv(Manager *manager, char **properties) {
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assert(manager);
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assert(properties);
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if (!manager->bus)
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return 0;
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return sd_bus_emit_properties_changed_strv(
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manager->bus,
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"/org/freedesktop/network1",
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"org.freedesktop.network1.Manager",
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properties);
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}
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